55665051500 has 48 divisors (see below), whose sum is σ = 121628576160. Its totient is φ = 22255745600.

The previous prime is 55665051473. The next prime is 55665051521. The reversal of 55665051500 is 515056655.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1108946 + ... + 1158054.

It is an arithmetic number, because the mean of its divisors is an integer number (2533928670).

Almost surely, 2^55665051500 is an apocalyptic number.

55665051500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55665051500 is an abundant number, since it is smaller than the sum of its proper divisors (65963524660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55665051500 is a wasteful number, since it uses less digits than its factorization.

55665051500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51395 (or 51383 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 38.

The spelling of 55665051500 in words is "fifty-five billion, six hundred sixty-five million, fifty-one thousand, five hundred".